It is OK to burn this back to CD using ImgBurn on Windows or Disk Utility on Mac OS X, or Toast on Mac OS 9/X. DL #1: The 9.2.2 universal OS installer CD's archive is a.Mac OS CPU Software 4.9, includes the Mac OS ROM file v9.2.1 Suitable for G3 & G4 Macintosh models capable of booting from a Classic Mac OS via CD-ROM. This is a Bootable, Universal Install CD-ROM of Mac OS 9.2.2, US English.